Home / 2,543.44-3,815.18-900.26

Finding the Fourth Proportional to 2,543.44, 3,815.18 and 900.26

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Solution

The fourth proportional to 2,543.44, 3,815.18 and 900.26 is: 1,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.44 : 3,815.18 = 900.26 : x
  2. Step 2: Convert to fraction form
    2,543.44/3,815.18 = 900.26/x
  3. Step 3: Cross multiply
    2,543.44x = 3,815.18 × 900.26
  4. Step 4: Simplify right side
    2,543.44x = 3,434,663.48
  5. Step 5: Solve for x
    x = 3,434,663.48/2,543.44
  6. Step 6: Final answer
    x = 1,350.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.